Autogenerate missing docs (#3514)

* Autogenerate missing docs

* Update ansi.md

* Rename question mark command docs

* Delete empty?.md

docs/commands/math-sum.md

@@ -0,0 +1,22 @@
+# math sum
+Finds the sum of a list of numbers or tables
+
+## Usage
+```shell
+> math sum {flags} 
+ ```
+
+## Flags
+* -h, --help: Display this help message
+
+## Examples
+  Sum a list of numbers
+```shell
+> echo [1 2 3] | math sum
+ ```
+
+  Get the disk usage for the current directory
+```shell
+> ls --all --du | get size | math sum
+ ```
+